Cum aflu coordonatele unui vector?

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sharkstar
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07 Oct 2014, 18:02

Stie cineva? =))))
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shut.theart
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07 Oct 2014, 18:06

sharkstar wrote:Stie cineva? =))))
Cauti solutii pe o comunitate de gaming? :))

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DaNNe.
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07 Oct 2014, 18:23

Daca ai posta si problema aici...
Sau daca ai lasa Extream-ul si ai merge la scoala... :))
Hai, posteaza problema.
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sharkstar
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07 Oct 2014, 18:36

Deci zice:
se considera punctele A(2,3), B(3,5), C(-1,6). Sa se determine:
a) coordonatele vectorilor AB,BC,AC.
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shut.theart
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07 Oct 2014, 19:41

sharkstar wrote:Deci zice:
se considera punctele A(2,3), B(3,5), C(-1,6). Sa se determine:
a) coordonatele vectorilor AB,BC,AC.


loool.. faci matematica cu femeia de servici?
Ai o formula, trebuie sa o aplici. OMFG
Nu va dat formula?

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07 Oct 2014, 19:51

AB =

Code: Select all

√(Xb - Xa)² + (Yb - Ya)²
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07 Oct 2014, 19:54

Emrys wrote:AB =

Code: Select all

√(Xb - Xa)² + (Yb - Ya)²
Nu-i aia.. AB [ x2-x1 , y2-y1 ] am facut azi la scoala :)))
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07 Oct 2014, 20:47

AB = (x2 - x1) x i + (y2 - y1) x j

AB - vector
i , j - versori

nu uita sa faci versorilor semnul de vector deasupra.


Iei urmatoarele coordonate:
A ( 2 , 3 ) - [ 2 = reprezinta x1 | 3 = reprezinta y1
B ( 3 , 5 ) - [ 3 = reprezinta x2 | 5 = reprezinta y2

De aici te descurci singur.
Formula e valabila pentru toate coordonatele.

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08 Oct 2014, 19:25

CLAU. wrote:
Emrys wrote:AB =

Code: Select all

√(Xb - Xa)² + (Yb - Ya)²
Nu-i aia.. AB [ x2-x1 , y2-y1 ] am facut azi la scoala :)))
Pe ce clasa ? =))
Ca e bine ce i-am dat eu, ca din caietu de mate am luat.
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sharkstar
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08 Oct 2014, 19:59

Am rezolvat.
Era cum a spus shut.theart
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